which three factors determine the formality of a discussion?\n○ opinion, audience, and time\n○ topic…

which three factors determine the formality of a discussion?\n○ opinion, audience, and time\n○ topic, audience, and purpose\n○ facts, purpose, and location\n○ topic, time, and location
Answer
Brief Explanations:
The formality of a discussion is influenced by the topic (complex or professional - more formal), the audience (expert or formal group - more formal), and the purpose (serious or official - more formal).
Answer:
B. topic, audience, and purpose